Kate Hudson added intrigue to her red carpet ensemble with a pair of shoes fashioned out of a pattern usually reserved for sunglasses. Blink and you could have missed her tortoise shell shoes at an ...

Cartoons often suggest turtles wear shells like removable armor. Those stories show turtles stepping out, swapping shells, or treating them like clothing. Biology disagrees. A turtle shell is not an ...

It would be a memorable sight. But it would also be so wrong to tip over Galápagos giant tortoises to see how shell shape affects their efforts to leg-pump, neck-stretch and rock right-side up again.

In a video captured last year in Victorville, a raven can be seen pecking at a shell on the desert floor. With scrub brush and electric transmission towers in the background, three other ravens stand ...

Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a mechanical constraint that prevents the chest from expanding during ...